Phase-only filters that best approximate the classical matched filters' outputs

Bhagavatula Vijaya Kumar; Charles D. Hendrix

doi:10.1117/12.138318

1 July 1992 Phase-only filters that best approximate the classical matched filters' outputs

Bhagavatula Vijaya Kumar, Charles D. Hendrix

Proceedings Volume 1701, Optical Pattern Recognition III; (1992) https://doi.org/10.1117/12.138318
Event: Aerospace Sensing, 1992, Orlando, FL, United States

Abstract

Much research effort has been directed to designing phase-only and binary phase-only filters that maximize the signal-to-noise ratio (i.e., the noise tolerance) or the peak-to-correlation energy (i.e., the correlation peak sharpness). In this paper, we propose a filter design algorithm for phase-only filters that produce correlation outputs that approximate classical matched filter outputs in a minimum mean squared error sense. Simulation results are presented to illustrate the use of the design algorithm.

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Bhagavatula Vijaya Kumar and Charles D. Hendrix "Phase-only filters that best approximate the classical matched filters' outputs", Proc. SPIE 1701, Optical Pattern Recognition III, (1 July 1992); https://doi.org/10.1117/12.138318

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KEYWORDS

Electronic filtering

Polymer optical fibers

Phase only filters

Signal to noise ratio

Optical pattern recognition

Detection and tracking algorithms

Spatial frequencies

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